Photoluminescence and Förster resonance energy transfer in elemental bundles of single-walled carbon nanotubes

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DOIResolve DOI: http://doi.org/10.1021/jp810892z
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TypeArticle
Journal titleThe Journal of Physical Chemistry C
Volume113
Issue18
Pages7536–7540
AbstractSingle-walled carbon nanotubes (SWNTs) are commonly synthesized in bundles for which the luminescence is often quenched altogether. Here, we report on the simplest case of nanotube bundles: a single pair of individual air-suspended SWNTs. Using luminescence imaging spectroscopy, we find that emission and excitation spectra can be described within an energy transfer picture, with donor to acceptor transfer of excitation. The multiplicity of emission peaks in small bundles indicates that the transfer of luminescence is only partial at room temperature, with thermal occupation of the donor being significant. We attribute this signature to the unique band structure of SWNTs, with diameter and chirality dependent energy, recombination rate, and density of states.
Publication date
LanguageEnglish
AffiliationNRC Institute for Microstructural Sciences; National Research Council Canada
Peer reviewedYes
NPARC number12441149
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Record identifier89883e35-c6ab-40fc-9f86-deaf05fecd32
Record created2009-09-25
Record modified2017-03-23
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